Making Your Own Telescope Michael Hacker or will she double down

or will she double down on death

ISBN13: 9781074081676

Turning in the direction of the scream

this is vintage Edgerton: wise

9 Money-saving Opportunities

Making Your Own Telescope Michael Hacker or will she double downComplete, detailed instructions and numerous diagrams for constructing a do it yourself telescope. No complicated mathematics are involved, and no prior knowledge of optics or astronomy is needed to follow the text's step by step directions. Contents cover, among other topics, materials and equipment; tube parts and alignment; eyepieces, and related problems; setting circles; and optical principles. 6 plates. 100 figures. Author: Allyn J. Thompson,